We have successfully migrated over 12.000 accounts in about a weekend from Zimbra Collaboration Suite (about 3000 mailboxes) and Qmail Toaster qmail based product (about 9000 mailboxes).

In old scenario we had:Qmail +VpopMail with MySQL support;Zimbra Collaboration support;

So what we did was:-Backup in the first place all mailboxes (Maildir's);-Export databases (domain names,accounts and MD5 passwords) into CSV file;-Create an ODBC between the iRedMail Vmail MySQL database in order to match and insert all domains and accounts from CSV file;-Modify iRedAdmin utils file in order to maintain the mailbox path format: /var/vmail/vmail1/domain/user/Mailbox;-Copied all domains with accounts and Maildirs under iRedMail path /var/vmail/vmail1/-Gave correct permissions on all folders and files;-Grabbed a beer Now enjoying a brand new perfect and functional mail server solution For detailed instructions you can contact me

We have successfully migrated over 12.000 accounts in about a weekend from Zimbra Collaboration Suite (about 3000 mailboxes) and Qmail Toaster qmail based product (about 9000 mailboxes).

In old scenario we had:Qmail +VpopMail with MySQL support;Zimbra Collaboration support;

So what we did was:-Backup in the first place all mailboxes (Maildir's);-Export databases (domain names,accounts and MD5 passwords) into CSV file;-Create an ODBC between the iRedMail Vmail MySQL database in order to match and insert all domains and accounts from CSV file;-Modify iRedAdmin utils file in order to maintain the mailbox path format: /var/vmail/vmail1/domain/user/Mailbox;-Copied all domains with accounts and Maildirs under iRedMail path /var/vmail/vmail1/-Gave correct permissions on all folders and files;-Grabbed a beer Now enjoying a brand new perfect and functional mail server solution For detailed instructions you can contact me